I making a cb750 chop using softail shocks under the swingarm. Looking at the bike I would have to agree with the others and say you need some tension shocks. I think buell has a mono tension shock but they are long. Harley shocks are easy to come by and are about 11 inches long. Or your other option is to run a pneumatic piston and slam it on the frame to park it, that might be pretty bag ass. My 2 cents.